Alert archive / Missouri / Severe Thunderstorm Watches in 2009
Severe Thunderstorm Watch 46
The Storm Prediction Center issued this severe thunderstorm watch at Mar 7, 2009, 7:33 PM CST for 6 counties in Kansas; 22 counties in Missouri. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 7, 2009, 7:33 PM CST (01:33 UTC)
- Expired
- Mar 8, 2009, 4:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 28 counties
Atchison County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Henry County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Pettis County, MO, Platte County, MO, Randolph County, MO, Ray County, MO, Saline County, MO
The radar
The Pleasant Hill radar (KEAX), 98 km from the middle of the area, began a volume at 01:36 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 10:08 PM CST | Severe Thunderstorm Warning | EAX | Johnson | 37 min |
| Mar 7, 10:30 PM CST | Severe Thunderstorm Warning | EAX | Cass, Jackson | 26 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 6:31 PM CST | Mesoscale Discussion | SPC | Johnson, Leavenworth, Linn, Miami, Wyandotte | 59 min |
| Mar 7, 8:27 PM CST | Mesoscale Discussion | SPC | Barber, Butler, Chase, Coffey, Douglas, Franklin and 16 more | 2 hr |
| Mar 7, 9:51 PM CST | Severe Thunderstorm Watch | SPC | Allen, Anderson, Butler, Chase, Coffey, Cowley and 13 more | 4 hr |
| Mar 7, 10:26 PM CST | Mesoscale Discussion | SPC | Johnson, Leavenworth, Linn, Miami, Wyandotte | 2 hr |
| Mar 8, 12:43 AM CST | Mesoscale Discussion | SPC | Anderson, Chase, Coffey, Douglas, Franklin, Greenwood and 11 more | 92 min |
| Mar 8, 5:56 AM CDT | Mesoscale Discussion | SPC | Crawford | 64 min |
| Mar 8, 6:32 AM CDT | Tornado Watch | SPC | Bourbon, Cherokee, Crawford | 7 hr |
| Mar 8, 9:26 AM CDT | Mesoscale Discussion | SPC | Bollinger, Cape Girardeau, Carter, Crawford, Dent, Douglas and 20 more | 64 min |
| Mar 8, 10:39 AM CDT | Tornado Watch | SPC | Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more | 7 hr |
| Mar 8, 11:35 AM CDT | Mesoscale Discussion | SPC | Bollinger, Cape Girardeau, Madison, Perry, Sainte Genevieve, City of Saint Louis | 115 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2009Severe Thunderstorm Watches in Kansas, 2009Every severe thunderstorm watch in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.